Over the course of the investigation, police received an anonymous tip that heroin was being sold at 23 Temple St., where five of the suspects lived.

On Tuesday, Leah Landino, 18, and Dana Messina, 38, were arrested on several charges including the unlawful sale of crack cocaine.

On Wednesday, James Gallagher, 49, and Jake Yacco, 22, were arrested on charges including the unlawful sale of Oxycodone. Vanessa Amico, 19, and Joshua Vandal, 27, were also arrested on charges including the unlawful sale of heroin, and Ryan Mateo, 17, was arrested for selling marijuana.

On Thursday, Kevin Webber, 37, was arrested and charged with the unlawful sale of heroin and cocaine. Stacy Dalesio, 32, Darrell Booth, 46, Joshua Garvey, 26, and Matthew Robinson were arrested and charged with the unlawful sale of heroin.

Aaron Elsass, 25, faces charges for the unlawful sale of hashish and possession of marijuana with the intent to distribute.